$TTL 3600 @ SOA dns.jones.dk. dr.jones.dk. ( 2006021901 ; serial 3600 ; refresh 1800 ; retry 604800 ; expire 3600 ) ; Negative Cache TTL NS dns.jones.dk. NS ns.bitbase.dk. NS ns.superserver.dk. NS ns.homebase.dk. A 62.243.165.91 TXT "v=spf1 -all" * A 62.243.165.91 TXT "v=spf1 -all"